[e-gold-list] Re: FAKE gold bars!!
Tungsten isn't exactly cheap or common either is it? - Original Message - From: Viking Coder [EMAIL PROTECTED] To: e-gold Discussion [EMAIL PROTECTED] Sent: Friday, June 08, 2001 3:09 PM Subject: [e-gold-list] Re: FAKE gold bars!! some clever person on this list explained the process of making good FAKE gold bars. That would be me... Here are the originals... http://www.mail-archive.com/e-gold-list@talk.e-gold.com/msg01478.html http://www.mail-archive.com/e-gold-list@talk.e-gold.com/msg01879.html Tungsten, which has the exact same DENSITY as Gold, can be coated with a 15 micron coating of Gold and pass as a Gold Bar, under the scrutiny of X-Ray Fluorescence; which can test to 10 microns deep only! Gold: 19.3 g/cm^3, $8820/kg Tungsten: 19.25 g/cm^3, $110/kg Viking Coder Worth Two Cents? http://www.2cw.org/VikingCoder --- You are currently subscribed to e-gold-list as: [EMAIL PROTECTED] To unsubscribe send a blank email to [EMAIL PROTECTED] --- You are currently subscribed to e-gold-list as: archive@jab.org To unsubscribe send a blank email to [EMAIL PROTECTED]
[e-gold-list] Re: FAKE gold bars!!
I'm sure you could test for this with a seismic approach - sound transmission and scattering, such as they use to prospect for oil but on a smaller scale. It wouldn't detect *what* the error was, but it would detect a linear discontinuity in the metal content, and the bar could then get sawn in half to check. This is nowhere near my area of expertise, but I don't think you can take a SONAR reading on something so small. Viking Coder Worth Two Cents? http://www.2cw.org/VikingCoder --- You are currently subscribed to e-gold-list as: archive@jab.org To unsubscribe send a blank email to [EMAIL PROTECTED]
[e-gold-list] Re: FAKE gold bars!!
This is nowhere near my area of expertise, but I don't think you can take a SONAR reading on something so small. Indeed, you can. Perhaps not as a SONAR reading as such, but using the same principles and concepts. There is a subset of the Mechanical Engineering field called Nondestructive Testing. Using these techniques, you can determine flaws in metals and other materials without (you guessed it) destroying them. One technique is called ultrasound; it can be used to determine flaws and other things in metals. In any event, the concept between the two is the same: use sound (vibrations through a medium) and look at the reflecting patterns. Although NDT is not my specific field, I believe the ultrasound technique might be able to discern the boundary where the gold meets the tungsten (was that the metal?) Tristan --- You are currently subscribed to e-gold-list as: archive@jab.org To unsubscribe send a blank email to [EMAIL PROTECTED]
[e-gold-list] Re: FAKE gold bars!!
thank you ... some clever person on this list explained the process of making good FAKE gold bars. That would be me... Here are the originals... http://www.mail-archive.com/e-gold-list@talk.e-gold.com/msg01478.html http://www.mail-archive.com/e-gold-list@talk.e-gold.com/msg01879.html Tungsten, which has the exact same DENSITY as Gold, can be coated with a 15 micron coating of Gold and pass as a Gold Bar, under the scrutiny of X-Ray Fluorescence; which can test to 10 microns deep only! Gold: 19.3 g/cm^3, $8820/kg Tungsten: 19.25 g/cm^3, $110/kg Viking Coder --- You are currently subscribed to e-gold-list as: archive@jab.org To unsubscribe send a blank email to [EMAIL PROTECTED]
[e-gold-list] Re: FAKE gold bars!!
On Fri, Jun 08, 2001 at 01:37:47PM +1000, [EMAIL PROTECTED] wrote: How do you search the egold list archive anyway? J.P.: 1. Go to http://talk.e-gold.com 2. Click on e-gold 3. Click on e-gold-list 4. Click on the button, Visit e-gold-list without joining 5. Enter something in the search field 6. Click Search!! Shortcut to steps 1-4: http://talk.e-gold.com/cgi-bin/lyris.pl?visit=e-gold-list The talk.e-gold.com server has the new messages the instant you post them! You can also use http://www.mail-archive.com/e-gold-list@talk.e-gold.com/, it also has a search, but mail-archive.com doesn't get posts instantly. The old e-gold-list ([EMAIL PROTECTED]) has a partial, but huge, archive at: http://www.free-market.net/features/list-archives/e-gold-list/threads.html -- Tril's E-Gold Directory: http://tril.tunes.org/e-gold/links.html Tril 0. Byte [EMAIL PROTECTED] http://tril.tunes.org/ This message is placed in the public domain. --- You are currently subscribed to e-gold-list as: archive@jab.org To unsubscribe send a blank email to [EMAIL PROTECTED]
